GPS Communication Software GPS Mapping Program Tarpits and Tips Tarpits and Tips Tools of the Trade Tools of the Trade - Part IV Tarpits and Tips TIPS Outline Datums Error, Accuracy, and Precision Map Scale and Errors Tips for Managing GPS Error Better Maps for GPS GPS Datum Tarpit
Tarpits and Tips
Aviation GPS is always WGS84
Kenneth E. Foote and Donald J. Huebner, The Geographer's Craft Project, Department of Geography, The University of Colorado at Boulder.
1.) Accuracy: how close to truth or accepted values.
2) Precision: how repeatable or consistent
3.) Error: includes both the imprecision of data and its inaccuracies
Accurate + Precise
= Low Error !
Mapsource data is 1:100,000 scale
*Christoph Feldkotter Version 2.270 Available from www.esri.com/arcscripts